List of state highways in Louisiana (pre-1955)

The following is a list of state highways in the U.S. state of Louisiana designated in prior to the 1955 Louisiana Highway renumbering. All were part of the original 98 state highways authorized by the state legislature in 1921.

List
• SR 1

• SR 1-D

• SR 2

• SR 3

• SR 3-D

• SR 4

• SR 5

• SR 6

• SR 7

• SR 7-X

• SR 8

• SR 9

• SR 10

• SR 10-D

• SR 11

• SR 12

• SR 13

• SR 14

• SR 14-D

• SR 15

• SR 15-D

• SR 16

• SR 17

• SR 18

• SR 19

• SR 20

• SR 21

• SR 22

• SR 22-D

• SR 23

• SR 24

• SR 24-D

• SR 24-E

• SR 25

• SR 25-D

• SR 26

• SR 26-D

• SR 27

• SR 28

• SR 29

• SR 30

• SR 30-X

• SR 31

• SR 32

• SR 33

• SR 34

• SR 35

• SR 36

• SR 37

• SR 38

• SR 39

• SR 40

• SR 41

• SR 42

• SR 42-D

• SR 42-E

• SR 43

• SR 44

• SR 45

• SR 46

• SR 47

• SR 48

• SR 49

• SR 50

• SR 51

• SR 52

• SR 53

• SR 54

• SR 55

• SR 56

• SR 57

• SR 57-D

• SR 58

• SR 59

• SR 60

• SR 61

• SR 62

• SR 63

• SR 64

• SR 65

• SR 66

• SR 67

• SR 68

• SR 69

• SR 70

• SR 71

• SR 72

• SR 72-D

• SR 73

• SR 74

• SR 75

• SR 76

• SR 77

• SR 78

• SR 79

• SR 80

• SR 81

• SR 82

• SR 83

• SR 84

• SR 85

• SR 86

• SR 87

• SR 88

• SR 89

• SR 90

• SR 91

• SR 92

• SR 93

• SR 94

• SR 95

• SR 96

• SR 97

• SR 98

• SR 99

• SR 105

• SR 617

• SR 714